TY  - JOUR 
T1  - Preemptive nebulized ketamine for pain control after tonsillectomy in children: randomized controlled trial
JO  - Revista Brasileira de Anestesiologia
A1  - Abdel-Ghaffar, Hala S.
A1  - Abdel-Wahab, Amani H.
A1  - Roushdy, Mohammed M.
A1  - Osman, Amira M.M.
SN  - 0034-7094
UL  - 10.1016/j.bjane.2019.04.005
VL  - 69 
Y1  - 2019
PB  - Brasil 
ER  -